package com.chengqj.observer;

/**
 * @program: pattern
 * @description: 具体观察者角色
 * @author: chengqj
 * @create: 2018-08-03 10:22
 **/
public class ConreateObserver implements Observer{
    @Override
    public void update() {
        System.out.println("监听对象有反应，观察者跟着变动");
    }
}
